Lernaea cyprinacea

Lernaea cyprinacea is a species of parasitic crustacean belonging to the family Lernaeidae.^[1] It may be native to Eurasia,^[2] and has been introduced to the United Kingdom^[1][3] and the United States.^[1][2] It develops optimally at temperatures between 23 and 30 °C (73 and 86 °F).^[4] It is regarded as a major pest in aquaculture.^[4]

Lernaea cyprinacea
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Copepoda
Order:	Cyclopoida
Family:	Lernaeidae
Genus:	Lernaea
Species:	L. cyprinacea
Binomial name
Lernaea cyprinacea Linnaeus, 1758